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Reassessment of the generic limits for Hydnellum and Sarcodon (Thelephorales, Basidiomycota)

by: Larsson, Karl-Henrik; Svantesson, Sten; Miscevic, Diana; Kõljalg, Urmas; Larsson, Ellen

Publication date: 2019-6-10
Usage: Attribution 4.0 International
Topics: Phylogeny, stipitate hydnoid, taxonomy, Thelephorales, tooth fungi
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 54
Item Size: 19.7M

Abstract: DNA sequences from the nuclear LSU and ITS regions were used for phylogenetic analyses of Thelephorales with a focus on the stipitate hydnoid genera Hydnellum and Sarcodon. Analyses showed that Hydnellum and Sarcodon are distinct genera but that the current division, based on basidioma texture, makes Sarcodon paraphyletic with respect to Hydnellum. In order to make genera monophyletic several species are moved from Sarcodon to Hydnellum and the following new combinations are made: Hydnellumamygdaliolens, H.fennicum, H.fuligineoviolaceum, H.fuscoindicum, H.glaucopus, H.joeides, H.lepidum, H.lundellii, H.martioflavum, H.scabrosum, H.underwoodii, and H.versipelle. Basidiospore size seems to separate the genera in most cases. Hydnellum species have basidiospore lengths in the range 4.45−6.95 µm while the corresponding range for Sarcodon is 7.4−9 µm. S.quercinofibulatus deviates from this pattern with an average spore length around 6 µm. Neotropical Sarcodon species represent a separate evolutionary lineage.
Addeddate: 2025-04-28 19:28:52
Bhl_virtual_titleid: 210915
Bhl_virtual_volume: v.54 (2019)
Call number: 10_3897_mycokeys_54_35386
Call-number: 10_3897_mycokeys_54_35386
Foldoutcount: 0
Genre: article
Identifier: reassessmentgen54lars
Identifier-ark: ark:/13960/s2960fvjcxv
Identifier-bib: 10_3897_mycokeys_54_35386
Identifier-doi: 10.3897/mycokeys.54.35386
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
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Page_range: 31-47
Pages: 17
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: MycoKeys 54
Year: 2019